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Helena

$273+ Cheap flights from Idaho to Helena (HLN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HLN
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Idaho to Helena

Keep the following information in mind while searching for Idaho to Helena flight deals. Data was last updated April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$273
(Alaska Airlines)

Popular in

September

Cheapest in

March

Average price

$356
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Helena flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Helena flights.
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From Idaho to Helena
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Idaho to Helena

Cheapest flights from Idaho to Helena
Explore the most affordable flight options available from Idaho to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/218:41 amBOI - HLN
1 stop6h 50mAlaska Airlines
Wed 5/284:11 pmHLN - BOI
1 stop6h 31mAlaska Airlines
Deal found 4/23$273
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/95:40 pmBOI - HLN
1 stop4h 36mDelta
Mon 5/125:45 amHLN - BOI
1 stop4h 21mDelta
Deal found 4/23$619
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/95:25 pmBOI - HLN
1 stop20h 06mUnited Airlines
Mon 5/122:16 pmHLN - BOI
1 stop7h 26mUnited Airlines
Deal found 4/23$702

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2025.
Use the filters below to find and compare flights from Idaho to Helena that are best for you.

Fly from

Idaho

Fly to

Helena

Route

Depart

Return

Price

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Wed 5/21

8:41 am-3:31 pm

1 stop6h 50m

Helena

Wed 5/28

4:11 pm-10:42 pm

1 stop6h 31m

$273

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 5/9

5:40 pm-10:16 pm

1 stop4h 36m

Helena

Mon 5/12

5:45 am-10:06 am

1 stop4h 21m

$619

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 5/9

5:25 pm-1:31 pm

1 stop20h 06m

Helena

Mon 5/12

2:16 pm-9:42 pm

1 stop7h 26m

$702

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 5/9

5:40 pm-6:49 pm

2 stops25h 09m

$293

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Thu 5/8

5:40 pm-10:16 pm

1 stop4h 36m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Best time to book a flight from Idaho to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Helena

What is the cheapest month to book a flight from Idaho to Helena?

Currently, February is the cheapest month in which you can book a flight from Idaho to Helena (average of $353). Flying from Idaho to Helena in July is currently the most expensive (average of $607). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ID to HLN?

Find hourly flight availability from Idaho to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

When flying from Idaho to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Helena by month

Plan your trip to Helena by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

Plan your trip to Helena by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helena. Reviews last updated April 24, 2025.
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Idaho to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helena from Idaho?

    If you book a flight to Helena from Idaho, you will be flying to Helena, which is the city’s only airport. Helena (HLN) is located 2.7 mi from the center of Helena.

  • Can I find deals for flights from Idaho to Helena that include hotel bookings?

    Yes. In addition to deals on Idaho to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Helena.

  • Can I find deals for business class flights from Idaho to Helena?

    Yes. Cheapflights offers flight deals from Idaho to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Helena?

    Currently, February is the cheapest month in which you can book a flight from Idaho to Helena (average of $353). Flying from Idaho to Helena in July is currently the most expensive (average of $607). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Idaho to Helena

Discover the top 2 airlines that operate flights from Idaho to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$387FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$257Average$534FlexibilityNo cancel feeOn-time75%

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